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Jorge Mistral
as Jean Balzac / Paul Banek
Nani Fernández
as Dana
Rubén Rojo
as Chapek
Jesús Tordesillas
as Josef
Félix Dafauce
as Grumko
Nicolás D. Perchicot
as Padre Oberski
Juan Manuel Soriano
as Genka
María Dolores Gispert
as Ludmilla
Tomás Torres
as Juan
César Ojinaga
as Lukas
Joan Capri
as Especialista en minas
José Marco
as Kadenko
Diana Mayer
as Isa
Esther Parera
as Maruska
Fernando Cebrián
as hermano de Kadenko
Pepe Rubio
as (no acreditado)
Ventura Oller
Francisco Sempere
Director of Photography
José F. Aguayo
Sigfrido Burman
Set Decoration
Petra de Nieva
Editor
Isidro B. Maiztegui
Original Music Composer
Rafael Richart
Costume Design
Telesforo de la Plaza
Production Manager
José María Forqué
Director
José Antonio Nieves Conde
Lluís Josep Comerón
Story
Jorge Illa
Manuel Tamayo Castro
Writer
José Antonio de la Loma
